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1 Safety Precautions
means items that must be forbidden! Otherwise, it may lead to personal injury or death or
serious damage.
means items that must be followed! Otherwise, it may lead to personal injury or property loss.
Follow this instruction to
complete the installation
work. Please carefully read
this manual before unit
startup and service.
Before installation, please
check if the power supply
is in accordance with the
requirements specified on
the nameplate. And also
take care of the power
safety.
Be sure to use the
exclusive accessory and
part to prevent the water
leakage, electric shock
and fire accidents.
Wire size of power cord
should be large
enough.The damaged
power cord and connection
wire should be replaced by
exclusive cable.
Never fail to comply with
the nitrigen charge
requirements.Charge
nitrogen when welding
pipes.
Please firstly connect the
wired controller before
energization, otherwise
wired controller can not be
used.
Lennox VRF Air Handler Indoor Unit
Installation should be
conducted by dealer or
qualified personnel. Please
do not attempt to install the
unit by yourself. Improper
handling may result in water
leakage, electric shock or fire
disaster etc.
Make sure the unit can be
earthed properly and soundly
after plugging into the socket
so as to avoid electric shock.
Please do not connect the
ground wire to gas pipe, water
pipe, lightning rod or
telephone line.
If refrigerant leakage happens
during installation, please
ventilate immediately.
Poisonous gas will emerge if
the refrigerant gas meets fire.
After connecting the power
cord, please fix the electric
box cover properly in order to
avoid accident.
Never short-circiut or cancel
the pressure switch to prevent
unit damage.
Before using the unit, please
check if the piping and wiring
are correct to avoid water
leakage, refrigerant leakage,
electric shock, or fire etc.
1
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